CN203383219U - Slip casting head structure for sleeve valve pipe - Google Patents
Slip casting head structure for sleeve valve pipe Download PDFInfo
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- CN203383219U CN203383219U CN201320426127.0U CN201320426127U CN203383219U CN 203383219 U CN203383219 U CN 203383219U CN 201320426127 U CN201320426127 U CN 201320426127U CN 203383219 U CN203383219 U CN 203383219U
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- pipe
- casting head
- slip casting
- sleeve valve
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Abstract
The utility model discloses a slip casting head structure for a sleeve valve pipe. According to the utility model, a slip casting pipe is arranged in a sleeve valve pipe; the slip casting pipe is provide with two groups of rubber plugs; the pipe section between the two groups of the rubber plugs is a slip casting head; slip casting holes are formed in the slip casting head; the slip casting head is also provided with a breather pipe; the two ends of the breather pipe are fixed on the two groups of the rubber plugs respectively, and stretch out of the two groups of the rubber plugs to be communicated with air in the sleeve valve pipe. The slip casting head structure for the sleeve valve pipe is modified on the basis of a traditional slip casting head; air at the two ends of the slip casting head inside the sleeve valve pipe is communicated by adding the breather pipe, so that the phenomenon of pressure difference existing in a traditional slip casting head is eliminated; in the construction process, quick lifting or declining of the slip casting head can be realized, the construction efficiency is greatly improved, and meanwhile, the phenomenon of pipe sticking or hole damaging caused by the reason that the slip casting head can not be pulled out is effectively avoided. The slip casting head structure for the sleeve valve pipe is simple and realized easily, and can be well applied to the slip casting technology of various buildings.
Description
Technical field
The utility model relates to the slurry injection technique of sleeve valve tube field, particularly the effective casting head structure of a kind of valve of tucking inside the sleeve.
Background technology
Sleeve valve pipe slip casting method is a kind of more advanced grouting process of generally acknowledging at present, the advantage of this method maximum is its strong adaptability, not only can be used in the subway field, and can be applied in the similar grouting and reinforcing engineerings such as railway, speedway, pile foundation underpinning; Not only can be used in the aspects such as roadbed subsidence consolidation process, rectifying of leaned building and underpin, can also, for antiseepage, stoppage engineering, be a kind of not only economy but also practical new method.
Sleeve valve pipe slip casting method is developed by French Soletanche grouting company the earliest, in the nineties in 20th century, is introduced into China, is promoted the use of gradually in the engineerings such as pit curtain, ground Ji Ba district's reinforcing.The outstanding advantage of Treatment Methods of sleeve valve pipe grouting and reinforcing is environmentally safe, on Adjacent Buildings with the structure impact is little, construction technology simple and relative low price etc.
The job practices of sleeve valve pipe slip casting is: adopt pvc pipe boring to make sleeve valve pipe, then with rubber stopper wrapping outside the hole on sleeve valve pipe, again two ends are equipped with to the casting head insertion sleeve valve pipe of sealing rubber ring during slip casting, slurries distending rubber stopper under pressure enter stratum, and successively lifting or decline casting head can be realized segmenting slip casting.
The sleeve valve pipe slip casting method grouting process more intense as a kind of compliance, concentrated the advantage of compaction grouting, fracture grouting, infiltration slip casting, this method is applicable to various soft stratums and processes, can be used for the engineering constructions such as bridge foundation, tunnel stratum consolidation, water blockoff, deep foundation ditch waterproof of man, sleeve valve pipe slip casting method is compared with other slip casting methods, grouting cost reduces greatly, and economic effect is better.Be embodied in: 1, generally be applicable to 50m with interior grouting; 2, can pour into as required any one injected hole and slip casting section, and can repeat grouting, can stop midway; 3, because its grouting pressure is relatively little, during slip casting, the possibility of grout and grout leaking is very little, generally to original earth formation, destroys less; 4, slurries mainly enter in the charges space with the form of infiltration and splitting, can play the purpose of filling crack and consolidated earth mass; 5, boring and slip casting operation can separate, and utilization rate of equipment and installations improves; 6, sleeve valve pipe slip casting method easy operating, equipment takes up an area little, is equipped with facility simple, and efficiency of construction is high; But 7, boring, slip casting parallel operations, be conducive to increase work efficiency, soil mass consolidation and the successful that prevents infiltration.
Yet in actual applications, also there is following shortcoming in current sleeve valve pipe slip casting method: it is cementing that 1, sleeve valve pipe is had the sleeve shell material of some strength, is difficult to extract and reuses, and is unfavorable for the control of engineering with the tubing cost; 2, insert downwards in the process of sleeve valve pipe when casting head, the embolism upper and lower because of casting head has sealing function, and the following sleeve valve pipe of casting head can form an airtight space.The effect of being squeezed of air in space, can be the outer rubber ring distending of sleeve valve pipe, and air will infiltrate soil layer from injected hole.In addition, when casting head is upwards extracted, rubber ring is sealing, air can't enter in sleeve valve pipe, and casting head is up and down will mineralization pressure poor like this, and under atmospheric effect, casting head is extracted and just had very large difficulty, when pressure is very large, can cause the appearance of card pipe phenomenon.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, the effective casting head structure of sleeve valve that can effectively eliminate pressure differential, facilitate casting head to extract is provided.
The technical solution of the utility model is: the casting head structure that a kind of valve of tucking inside the sleeve is effective, in sleeve valve pipe, Grouting Pipe is set, Grouting Pipe is provided with two groups of rubber embolisms, pipeline section between two groups of rubber embolisms is casting head, be distributed with injected hole on casting head, also be provided with ventilating pipe on casting head, the ventilating pipe two ends are individually fixed in two groups of rubber bolt beyond the Great Wall, and two groups of rubber bolt are stretched out respectively beyond the Great Wall in the ventilating pipe two ends and with sleeve valve pipe in air communication.
Described ventilating pipe is located on the Grouting Pipe outer wall and is parallel with Grouting Pipe.
Described ventilating pipe is copper pipe.
The diameter of described ventilating pipe is 5～8mm.
Injected hole on described casting head is uniformly distributed, and the aperture of each injected hole is 5～10mm.
Described two groups of rubber embolisms are symmetrically set in the two ends of casting head, and each is organized the distribution of rubber embolism and comprises that two rubber rings that are placed on Grouting Pipe, the outside of each rubber ring are closely attached on the inwall of sleeve valve pipe.
When the effective casting head structure of this sleeve valve is used, its principle is: after a certain section slip casting completes, when needs lifting or decline casting head, because the ventilating pipe two ends are positioned at the air communication at the upper and lower two ends of casting head respectively with in sleeve valve pipe, so do not have pressure differential in sleeve valve pipe, but casting head fast lifting or decline.
The utility model, with respect to prior art, has following beneficial effect:
The effective casting head structure of this sleeve valve is on the basis of traditional casting head, to carry out improvedly, by increasing ventilating pipe, is positioned at the air communication at the upper and lower two ends of casting head in the valve pipe that makes to tuck inside the sleeve, thereby eliminates the phenomenon that there is pressure differential in traditional casting head; In work progress, casting head can be realized fast lifting or decline, and its efficiency of construction is greatly improved, and effectively avoids card to manage or can't extract because of casting head the phenomenons such as the hole that causes giving up simultaneously.The casting head easy realization simple in structure that this sleeve valve is effective, can be advantageously applied to the grouting process of all kinds of buildings.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the effective casting head structure of this sleeve valve.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
The casting head structure that a kind of valve of tucking inside the sleeve of the present embodiment is effective, as shown in Figure 1, the sleeve valve pipe 1 interior Grouting Pipe 2 that arranges, Grouting Pipe is provided with two groups of rubber embolisms 3, pipeline section between two groups of rubber embolisms is casting head, is distributed with injected hole 4 on casting head, also is provided with ventilating pipe 5 on casting head, the ventilating pipe two ends are individually fixed in two groups of rubber bolt beyond the Great Wall, and two groups of rubber bolt are stretched out respectively beyond the Great Wall in the ventilating pipe two ends and with sleeve valve pipe in air communication.
Wherein, ventilating pipe is located on the Grouting Pipe outer wall and is parallel with Grouting Pipe.
Ventilating pipe is copper pipe.
The diameter of ventilating pipe is 5～8mm.
Injected hole on casting head is uniformly distributed, and the aperture of each injected hole is 5～10mm.
Two groups of rubber embolisms are symmetrically set in the two ends of casting head, and each is organized the distribution of rubber embolism and comprises that two rubber rings that are placed on Grouting Pipe, the outside of each rubber ring are closely attached on the inwall of sleeve valve pipe.
When the effective casting head structure of this sleeve valve is used, its principle is: after a certain section slip casting completes, when needs lifting or decline casting head, because the ventilating pipe two ends are positioned at the air communication at the upper and lower two ends of casting head respectively with in sleeve valve pipe, so do not have pressure differential in sleeve valve pipe, but casting head fast lifting or decline.
As mentioned above, just can realize preferably the utility model, above-described embodiment is only preferred embodiment of the present utility model, not is used for limiting practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modify, all contained by the utility model claim scope required for protection.
Claims (6)
1. the casting head structure that the valve of tucking inside the sleeve is effective, in sleeve valve pipe, Grouting Pipe is set, Grouting Pipe is provided with two groups of rubber embolisms, pipeline section between two groups of rubber embolisms is casting head, be distributed with injected hole on casting head, it is characterized in that, also be provided with ventilating pipe on casting head, the ventilating pipe two ends are individually fixed in two groups of rubber bolt beyond the Great Wall, and two groups of rubber bolt are stretched out respectively beyond the Great Wall in the ventilating pipe two ends and with sleeve valve pipe in air communication.
2. the effective casting head structure of a kind of valve of tucking inside the sleeve according to claim 1, is characterized in that, described ventilating pipe is located on the Grouting Pipe outer wall and is parallel with Grouting Pipe.
3. the effective casting head structure of a kind of valve of tucking inside the sleeve according to claim 1, is characterized in that, described ventilating pipe is copper pipe.
4. the effective casting head structure of a kind of valve of tucking inside the sleeve according to claim 1, is characterized in that, the diameter of described ventilating pipe is 5～8mm.
5. the effective casting head structure of a kind of valve of tucking inside the sleeve according to claim 1, is characterized in that, the injected hole on described casting head is uniformly distributed, and the aperture of each injected hole is 5～10mm.
6. the effective casting head structure of a kind of valve of tucking inside the sleeve according to claim 1, it is characterized in that, described two groups of rubber embolisms are symmetrically set in the two ends of casting head, and each is organized the distribution of rubber embolism and comprises that two rubber rings that are placed on Grouting Pipe, the outside of each rubber ring are closely attached on the inwall of sleeve valve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426127.0U CN203383219U (en) | 2013-07-17 | 2013-07-17 | Slip casting head structure for sleeve valve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426127.0U CN203383219U (en) | 2013-07-17 | 2013-07-17 | Slip casting head structure for sleeve valve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383219U true CN203383219U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426127.0U Expired - Lifetime CN203383219U (en) | 2013-07-17 | 2013-07-17 | Slip casting head structure for sleeve valve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035264A (en) * | 2017-11-14 | 2018-05-15 | 广东精特建设工程有限公司 | On settling the processing mode of latter lifting under transition slab at bridge head |
| CN111074899A (en) * | 2019-11-11 | 2020-04-28 | 中铁七局集团第二工程有限公司 | Grouting method for karst caves with different filling types |
-
2013
- 2013-07-17 CN CN201320426127.0U patent/CN203383219U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035264A (en) * | 2017-11-14 | 2018-05-15 | 广东精特建设工程有限公司 | On settling the processing mode of latter lifting under transition slab at bridge head |
| CN111074899A (en) * | 2019-11-11 | 2020-04-28 | 中铁七局集团第二工程有限公司 | Grouting method for karst caves with different filling types |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |